Quick Reference Guide

100 | Chapter 4. Content Filtering and Optimizing Scans
ProSecure Web/Email Security Threat Management (STM) Appliance
2. Complete the fields as explained in the following table:
Note: In the fields of the Whitelist/Blacklist screen, use commas to
separate multiple entries. For IP addresses, use a hyphen to
indicate a range (for example, 192.168.32.2-192.168.32.8.)
Configuring the Real-Time Blacklist
Blacklist providers are organizations that collect IP addresses of verified open SMTP relays
that might be used by spammers as media for sending spam. These known spam relays are
compiled by blacklist providers and are made available to the public in the form of real-time
blacklists (RBLs). By accessing these RBLs, the STM can block spam originating from known
spam sources.
Table 30. Whitelist/Blacklist Settings
Setting Description
Sender IP Address (SMTP)
Whitelist Enter the source IP addresses from which emails can be trusted.
Blacklist Enter the source IP addresses from which emails are blocked.
Click Apply to save your settings, or click Reset to clear all entries from these fields.
Sender Domain (SMTP and POP3)
Whitelist Enter the sender email domains from which emails can be trusted.
Blacklist Enter the sender email domains from which emails are blocked.
Click Apply to save your settings, or click Reset to clear all entries from these fields.
Sender Email Address (SMTP and POP3)
Whitelist Enter the email addresses from which emails can be trusted.
Blacklist Enter the email addresses from which emails are blocked.
Click Apply to save your settings, or click Reset to clear all entries from these fields.
Recipients Domain (SMTP and POP3)
Whitelist Enter the email domains of the recipients to which emails can be safely delivered.
Click Apply to save your settings, or click Reset to clear all entries from this field.
Recipients Email Address (SMTP and POP3)
Whitelist Enter the email addresses of the recipients to which emails can be safely delivered.
Click Apply to save your settings, or click Reset to clear all entries from this field.